Improvement in sash-fasteners



S. B R 0 W N.

SASH-FASTENER.

178 99 O Patented June 20, 1876.

IZZG. 2.

TIGZ.

INVENTOR WITNESSES Attorneys NPETERS, PHOTO-LITHOGRAPNER, WASHINGTON. D.c.

STATES PATENT OFFICE.

sTEPHEN BROWN, OF WASHINGTON, DISTRICT OF COLUMBIA.

IMPROVEMENT IN SASH-FASTENERS.

Specification forming part of Letters Patent No. 178,990, dated J une20,1876; application filed April 12, 1876.

To all whom it may concern:

Be it known that I, STEPHEN BROWN, of Washington, in the District ofColumbia, have invented a certain new and Improved CombinationSash-Lock, of which the following is a specification The object of myinvention is to provide a sash-lock which will fasten the lower sashdown, and will-lock the upper sash either in closed position, or in anyposition in which it may be adjusted for ventilation, both of the sashesbeing locked by a single fastening.

To this end my invention consists in constructing a lock or button withseparate projections, which, when the said button is attached, by apivot-screw, to the lower sash, engage with separate exposed notches inthe upper sash, and in the parting-strip, respectively, as hereinaftermore fully described and definitely claimed.

In the accompanying drawing, Figure 1 is an interior elevation of awindow with my in vention applied. Fig. 2 is a vertical section on theline 2 2, Fig. 1. Fig. 3 is a horizontal section on the line 3 3. Fig. 4is a perspective view of a button of modified form adapted forapplication at either the right or left side of the sash.

A A A represent various parts of a windowframe. B G are, respectively,the upper and lower sash. D Dare the parting-strips. E E are theguide-strips or beads toretain the lower sash. F is my improved lock orbutton, which is, preferably, formed in the anchor shape represented inFig. 5, with two laterally-projectin g arms, ff, to adapt it forapplication to either side of the window. The button is secured to thetop of the lower sash, as shown, by a screw applied in thepivot-hole g,and is provided with a knob, h, for moving it in either direction. It isformed witha projectin g end, i, to engage in either of the notches b bb in the upper sash, so as to lock the said sash either in its uppermostand closed position, as illustrated in the drawings, or in anypartially-opened position to which it may be adjusted for the purpose ofventilation. The notches b, &c.,are preferably formed in plates let intothe sash for the purpose of receiving the button. The arm ff of thebutton engages at the same time in a notch, 0, in the parting-strip, forthe purpose of locking the lower sash, and thereby holding bothimmovably in place.

either side, for the reception of the buttonarm ff, so-tl1at the lattermay be placed on either side of the window, as convenience may dictate,corresponding notches 1) b being, of course, formed in the face of theupper sash on the same side of the window. For the purpose of supportingthe lower sash in any position desired, if the said sash be not hung onweighted cords, I employ a catch, J, of any usual or suitableconstruction, pivoted to the guide-strip E, and engaging with a notch orplate, K, on the face of the sash,-or

The notch b may be piofiected by a metal plate; also, if desired, asimple. 'notch may be formed in the parting-strip on

